CA1038163A - Net jointing structure - Google Patents

Net jointing structure

Info

Publication number
CA1038163A
CA1038163A CA247,267A CA247267A CA1038163A CA 1038163 A CA1038163 A CA 1038163A CA 247267 A CA247267 A CA 247267A CA 1038163 A CA1038163 A CA 1038163A
Authority
CA
Canada
Prior art keywords
net
edge
pair
elements
mesh size
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA247,267A
Other languages
French (fr)
Inventor
Hiroyuki Ebata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YKK Corp
Original Assignee
Yoshida Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yoshida Kogyo KK filed Critical Yoshida Kogyo KK
Application granted granted Critical
Publication of CA1038163A publication Critical patent/CA1038163A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00Drawn nets
    • A01K73/12Nets held vertically in the water, e.g. seines

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Slide Fasteners (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Sheet Holders (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE
A net jointing structure is provided for separably joint-ing or coupling a pair of nets together. The structure has a pair of elongate net strips each having first and second longi-tudinal opposite edges and having a mesh size progressively smaller toward the second edge, the first edge being formed integrally or adapted for connection with one end of each of the nets. A sliding clasp fastener includes a pair of stringers each having on and along one longitudinal edge a row of inter-locking elements and secured at the other longitudinal edge to the second edge of the elongate net strip, and a slider slidably mounted on the rows of interlocking elements for coupling and uncoupling the pair of stringers.

Description

-` 1038163 This invention relates to a net and more particularly, to a net jointing structure having a sliding clasp fastener for separably jointing or coupling a pair of nets together.
~ here are certain instances where it is necessary to joint two or more nets together so as to provide an elongated combination net. For example, it is customary in the round haul net fishery for a pair of fishing boats to carry identical halves of a round haul net, respectively, and then to interconnect the halves at a fishing ground. The conventional practice of coupl-ing the net halves together has been to knot the confrontingedges of the net halves with each other. This procedure is however extremely tedious and time-consuming.
It is therefore a principal object of the invention to provide a net jointing structure which will couple and uncouple a pair of nets with utmost ease.
It is another object of the invention to provide a net jointing structure having a sliding clasp fastener for jointing a pair of nets together, which structure is constructed to pre- !
vent applied excessive external forces from damaging the sliding clasp fastener by distributing such forces uniformly over the fastener.
According to one aspect of the present invention, a net jointing structure is provided for releasably ~oining the pair of nets together, comprising: a pair of elongate net strips each having first and second longitudinal opposite-edges; a sliding clasp fastener including a pair of stringers each having on and along one longitudinal edge a row of inter-locking elements and secured at the opposite longitudinal edge to the second edge of a corresponding net strip, and a slider slidably mounted on said rows of interlocking elements for coupling said uncoupling same to thus connect and disconnect said pair of stringers; the mesh size of the net strips .

progressively decreasing toward the respective second edge, ¦~

' .; ~-.. ~. ' :

the respective first edge being secured to an end of the respective net; whereby a local stress at generally any point of the respective net is transferred to a relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over ; said relatively large number of elements.
Preferably, each of the net strips is comprised of a plurality of parallel sections extending longitudinally thereof, each section being smaller in mesh size than a neighbouring inner one as measured progressively toward said second edge. It is also preferred that the net section at said first edge be substantially equal in mesh size to said net.
In another aspect of the present invention, a net jointing structure is provided for releasably jointing a pair of nets together, comprising: a pair of elgonate net strips each having first and second longitudinal opposite edges; a sliding clasp fastener including a pair of stringers each having on and along one longitudinal edge a row of inter- ¦
locking elements and secured at the opposite longitudinal edge to the second edge of a correspondinq net strip, and a slider slidably mounted on said rows of interlocking elements for - coupling and uncoupling same to thus connect and disconnect said pair of stringers; the mesh size of the net strips progressively decreasing toward the respective second edge, the respective first edge being arranged to become secured to an end of the respective net; whereby a local stress at generally any point of the respective first edge is transferred to a relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relat~vely large number of elements.
In accordance with a still further aspect of the ~ 2a - 103~163 present invention, a net jointing structure is provided for releasably jointing a pair of nets toget~er, comprising: a pair of elongate net strips each having first and second longitudinal opposite edges; a pair of rows of fastener elements each secured to said second edge of the respective elongate net strip, and a slider slidably mounted on said rows of ~,astener elements for coupling and uncoupling same to thus connect and disconnect said rows of fastener elements;
the mesh size of the net strips progressively decreasing I : -toward the respective second edge, the respective first edge being arranged to become secured to an end of the respective net; whereby a local stress at generally any point of the respective first edge is transferred to a relatively large ': number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relatively large number of elements ;~ ~ , ~ .
,, ~ 2 1038~63 Other objects and attendant advantages of the invention will become readily apparent from the following description taken in conjunction with the accompanying drawing which illus-trates certain pre~erred embodiments by way of example only and in which like reference numerals designate like-parts throughout the views, and wherein;
Fig. 1 is a front elevational view of a net jointing structure provided according to a first embodiment of the inven-tion, showing the structure attached to a pair of nets to be interconnected;
Fig. 2 is a fragmentary front elevational view of one half of a net jointing structure of a second embodiment of the invention, the structure being shown attached to a net; and Fig. 3 is a perspective view showing identical halves of a round haul net which are interconnected by the net jointing structure of the first embodiment.
Referring to Fig. 1, there is shown a pair of nets 10, 11 having confronting edges 12, 13, respectively, to be connected together. A net jointing structure 14 constructed according to the invention comprises a pair of elongate net strips 15, 16 having first or inner longitudinal edges 17, 18, respectively, and second or outer longitudinal edges 19, 20,-respectively.
The inner edges 17, 18 of the respective net strips 15, 16 are 1038~63 .:
connected with the confronting net ends 12, 13, respectively.
There is provided a sliding clasp fastener 21 including a pair of stringers 22, 23 each carrying on and along one longirudinal ; edge a row of discrete-type interlocking elements 24 and secured ~:
at the other longitudinal edge to the outer edges 19, 20 of the respective net strips 15, 16 by lines of stitchings 25. The sliding clasp fastener 21 further includes a slider 26 movable along the rows of interlocking elements 24 to couple and uncouple the same, and a bottom end stop 27 preferably of the usual box and pin type.
Each of the net strips 15, 16 of the net jointing structure 14 has a mesh size progressively smaller toward the outer edge 19 (20) with a view to distributing external forces applied on the net against and over the entire length of the fastener 21.
More specifically, each of the net strips 15, 16 is comprised of :.
four parallel net sections 28, 29, 30 and 31 extending longitu-dinally thereof, each section being smaller in mesh size than a neighboring inner one as measured progressively toward the outer edge 19 (20). The innermost net section 28 is substantially equal in mesh size to the net 10 (11) to facilitate the joining of the net strips 15, 16 with the nets 10, 11.
The connection of the net strips 15, 16 with the respective nets 10, 11 is accompl~shed by knotting or knitting the inner edges 17, 18 with the net ends 12, 13, respectively. Alter-natively, the net strips 15, 16 may be formed integral with thenets 10, 11, respectively, by knitting marginal ends of the nets in such a manner that the mesh size thereof grows smaller and smaller toward the distal ends ''~ ' .

: ' , .. ... .
., .

.. -:
' ' ' "., . '. ~ . ' '" -. ' ' According to a modification shown in Fig. 2, a row of discrete coupling elements 24 is mounted directly on the outer-most net section 31 having the smallest mesh size.
Fig. 3 shows an example in which the net jointing structure 14 of the invention is employed to interconnect identical halves 32, 33 of a round haul net 34. The coupled net halves 32, 33, that is, a complete round haul net 34, are stretched in the water by a multiplicity of floats 35 and a multiplicity of bottom weights 36 with opposite net ends 37, 38 pulled together by a pair of fishing boats 39, 40, respectively, through ropes 41.
With the net jointing construction 14 of the invention, the halves 32, 33 of the round haul net 34 can be coupled easily and speedily together at a fishing ground by closing the fastener 21.
An advantage resulting from the net jointing structure 14 thus constructed is that the sliding clasp fastener 21 can be protected against deformation or damage under the infulence of severe external stresses because such stresses when applied on the net are taken up and distributed uniformly over the entire length of the fastener 21 by means of the net strips 15, 16 hav-ing varying mesh sizes.
Although preferred embodiments of the invention have beenshown and described in detail, various changes and modifications may be made without departing from the scope of the appended claims. For example, the net sections could be increased or reduced in number depending upon the overall size and mesh of the nets to be interconnected.

-' ' , .

-

Claims (12)

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. A net jointing structure for releasably jointing a pair of nets together, comprising:
a pair of elongate net strips each having first and second longitudinal opposite edges;
a sliding clasp fastener including a pair of stringers each having on and along one longitudinal edge a row of interlocking elements and secured at the opposite longitudinal edge to the second edge of a corresponding net strip, and a slider slidably mounted on said rows of interlocking elements for coupling and uncoupling same to thus connect and disconnect said pair of stringers;
the mesh size of the net strips progressively decreasing toward the respective second edge, the respective first edge being secured to an end of the respective net;
whereby a local stress at generally any point of the respective net is transferred to a relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relatively large number of elements.
2. A net jointing structure according to claim 1, wherein each of said net strips is comprised of a plurality of parallel sections extending longitudinally thereof, each section being smaller in mesh size than a neighboring inner one as measured progressively toward said second edge.
3. A net jointing structure according to claim 1, wherein said net section at said first edge is sub-stantially equal in mesh size to said net.
4. A net jointing structure for releasably jointing a pair of nets together, comprising:
a pair of elongate net strips each having first and second longitudinal opposite edges;
a pair of rows of fastener elements each secured to said second edge of the respective elongate net strip, and a slider slidably mounted on said rows of fastener elements for coupling and uncoupling same to thus connect and disconnect said rows of fastener elements;
the mesh size of the net strips progressively decreasing toward the respective second edge, the respective first edge being secured to an end of the respective net;
whereby a local stress at generally any point of the respective net is transferred to a relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relatively large number of elements.
5. A net jointing structure according to claim 4, wherein each of said net strips is comprised of a plurality of parallel sections extending longitudinally thereof, each section being smaller in mesh size than a neighboring inner one as measured progressively toward said second edge.
6. A net jointing structure according to claim 4, wherein said net section at said first edge is substantially equal in mesh size to said net.
7. A net jointing structure for releasably jointing a pair of nets together, comprising:

a pair of elongate net strips each having first and second longitudinal opposite edges;
a sliding clasp fastener including a pair of stringers each having on and along one longitudinal edge a row of interlocking elements and secured at the opposite longitudinal edge to the second edge of a corresponding net strip, and a slider slidably mounted on said rows of interlocking elements for coupling and uncoupling same to thus connect and disconnect said pair of stringers;
the mesh size of the net strips progressively decreasing toward the respective second edge, the respective first edge being arranged to become secured to an end of the respective net;
whereby a local stress at generally any point of the respective first edge is transferred to relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relatively large number of elements.
8. A net jointing structure according to claim 7, wherein each of said net strips is comprised of a plurality of parallel sections extending longitudinally thereof, each section being smaller in mesh size than a neighboring inner one as measured progressively toward said second edge.
9. A net jointing structure according to claim 7, wherein said net section at said first edge is sub-stantially equal in mesh size to said net.
10. A net jointing structure for releasably jointing a pair of nets together, comprising:
a pair of elongate net strips each having first and second longitudinal opposite edges;
a pair of rows of fastener elements each secured to said second edge of the respective elongate net strip, and a slider slidably mounted on said rows of fastener elements for coupling and uncoupling same to thus connect and disconnect said rows of fastener elements;
the mesh size of the net strips progressively decreasing toward the respective second edge, the respective first edge being arranged to become secured to an end of the respective net;
whereby a local stress at generally any point of the respective first edge is transferred to a relatively large number of said elements to reduce the corresponding stress at each respective element by spreading said local stress over said relatively large number of elements.
11, A net jointing structure according to claim 10,wherein each of said net strips is comprised of a plurality of parallel sections extending longitudinally thereof, each section being smaller in mesh size than a neighboring inner one as measured progressively toward said second edge.
12. A net jointing structure according to claim 10 wherein said net section at said first edge is substantially equal in mesh size to said net.
CA247,267A 1975-03-13 1976-03-08 Net jointing structure Expired CA1038163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975034201U JPS51115180U (en) 1975-03-13 1975-03-13

Publications (1)

Publication Number Publication Date
CA1038163A true CA1038163A (en) 1978-09-12

Family

ID=12407541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247,267A Expired CA1038163A (en) 1975-03-13 1976-03-08 Net jointing structure

Country Status (18)

Country Link
US (1) US4044432A (en)
JP (1) JPS51115180U (en)
AR (1) AR206457A1 (en)
BR (1) BR7601494A (en)
CA (1) CA1038163A (en)
DE (1) DE2610425C3 (en)
DK (1) DK140242B (en)
ES (1) ES219536Y (en)
FI (1) FI57519C (en)
FR (1) FR2303472A1 (en)
GB (1) GB1483887A (en)
HK (1) HK38178A (en)
IT (1) IT1059902B (en)
MY (1) MY7800339A (en)
NL (1) NL175873C (en)
NO (1) NO150142C (en)
PH (1) PH13793A (en)
SE (1) SE424594B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298799U (en) * 1976-01-24 1977-07-26
JPS52141372A (en) * 1976-05-18 1977-11-25 Yoshida Kogyo Kk Adapters for coupling nets
US4251938A (en) * 1979-06-11 1981-02-24 Penn-Plax Plastics, Inc. Aquarium fish net
NO994839D0 (en) * 1999-10-04 1999-10-04 Inge Henning Jenssen Device for the storage and transport of live fish
KR100379023B1 (en) * 2001-01-19 2003-04-07 대한민국 Structure of detachable fishingnet
US7017296B2 (en) * 2002-02-22 2006-03-28 Evergreen Outdoors, Inc. Automatic hook setting, fishing rod holder
JP5283486B2 (en) * 2008-11-17 2013-09-04 長田漁網株式会社 Production method of fishing net
DE112011105602B4 (en) * 2011-09-09 2018-10-04 Ykk Corporation Closure tape for zipper and zipper
US11517002B1 (en) * 2016-09-30 2022-12-06 Great Salt Lake Brine Shrimp Cooperative, Inc. Artemia harvesting device
USD931366S1 (en) * 2018-02-16 2021-09-21 Landa Corporation Ltd. Belt of a printing system
USD961674S1 (en) 2019-04-17 2022-08-23 Landa Corporation Ltd. Belt for a printer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1622250A (en) * 1925-05-15 1927-03-22 Russell Mfg Co Fabric
US2718047A (en) * 1950-05-04 1955-09-20 Waldes Kohinoor Inc Separable fasteners
US2921397A (en) * 1959-02-06 1960-01-19 Michael Calise Fish landing net
US3132433A (en) * 1962-04-02 1964-05-12 Frank J Luketa Connector for trawl net bar-cut edges
DE1610379B1 (en) * 1967-01-21 1971-01-21 Opti Werk Gmbh & Co Zipper
US3525785A (en) * 1967-10-24 1970-08-25 Fmc Corp Method for extruding woven net-like structures
US3725983A (en) * 1971-01-21 1973-04-10 V Selvaggi Slide fastener

Also Published As

Publication number Publication date
IT1059902B (en) 1982-06-21
ES219536U (en) 1976-09-16
FI57519C (en) 1980-09-10
JPS51115180U (en) 1976-09-18
DE2610425B2 (en) 1977-12-22
NL175873C (en) 1985-01-16
GB1483887A (en) 1977-08-24
AU1183276A (en) 1977-09-15
AR206457A1 (en) 1976-07-23
DK140242C (en) 1979-12-10
DE2610425A1 (en) 1976-09-23
NO760811L (en) 1976-09-14
DE2610425C3 (en) 1978-08-24
FR2303472A1 (en) 1976-10-08
DK140242B (en) 1979-07-16
ES219536Y (en) 1977-02-01
NL7602617A (en) 1976-09-15
FI760610A (en) 1976-09-14
NO150142C (en) 1984-08-29
SE7603081L (en) 1976-09-14
HK38178A (en) 1978-07-14
US4044432A (en) 1977-08-30
FI57519B (en) 1980-05-30
BR7601494A (en) 1976-09-14
NO150142B (en) 1984-05-21
DK104376A (en) 1976-09-14
FR2303472B1 (en) 1981-08-07
PH13793A (en) 1980-10-01
SE424594B (en) 1982-08-02
MY7800339A (en) 1978-12-31
NL175873B (en) 1984-08-16

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